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Harvard College Observatory

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Time Service, 1887/1888 Digital

Item — Box 75Identifier: KG11365-6, phaedra1801
Scope and Contents: This series contains astronomical observations, data calculations, and administrative notes from the beginning of Edward Pickering’s tenure as Director of the Harvard College Observatory with the bulk of the materials dating from 1870 to 1905. The notebooks in this series feature early efforts in variable star analysis and meridian circle work, including HCO efforts to contribute zone measurements to contemporary revisions of the Bonn Durchmusterung. Additional records in this series...

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  • Type: Archival Object X
  • Subject: Time -- Systems and standards -- United States. X